's version of the polar express take a lot of cold arctic air sending it toward california. this is going to happen next monday. but we have to watch this because the snow level will drop down to 7,000 feet and widespread rainfall for the first time in months is in the forecast coming up for the top of next week. for tomorrow, about 78 for san francisco. livermore 93. san jose 86. everyone around 7 to 12 degrees above average. oakland 80 tomorrow. 90 for concord. and 87 for your wednesday and thursday in mountain view. friday 10 degrees cooler, cooler still with partly sunny skies over the weekend. and if you're looking for rainfall, if you want the grass to be watered not by irrigation but by mother nature, that's monday through wednesday next week. that's your cbs 5 forecast. >> thanks, paul spores bay area sisters refuse to let a serious disease slow them down. >> before my transplant i could only walk a few blocks maybe. >> what they are doing together to make sure organ transplant recipients like them survive and thrive. ,,,,,,,, ,,,,,,,, your risk of developing can. new study follow